18009+4954 LDS 4770 AB
18h 00m 48.35s +49° 53' 55.2" P.A. 213.00 sep 1.5 mag 12.70,13.20
| Coord 2000 |
18009+4954 |
|
Discov num |
LDS4770 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 00 48.35 +49 53 55.2 |
|
| Date first |
1960 |
|
Date last |
1960 |
|
Obs |
1 |
|
| Pa first |
213 |
|
Pa last |
213 |
|
P.A. Now (θ) |
213° |
|
| Sep first |
1.5 |
|
Sep last |
1.5 |
|
Sep. Now (ρ) |
1.5" |
|
| Mag pri |
12.70 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-017 |
|
Sec motion ra |
|
|
| Pri motion dec |
+155 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18009+4954 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 00 48 +49 53 55 |
LDS 4770 AB |
1960 |
1 |
213 |
1.5 |
12.70 |
13.20 |
0.50 |
|
<=== |
| Show |
|
|
18 00 48 +49 53 55 |
LDS 4770 AC |
2016 |
2 |
3 |
8.6 |
12.70 |
|
|
|
|
| Show |
|
|
18 00 48 +49 53 55 |
LDS 4770 AD |
2016 |
2 |
358 |
10.5 |
12.70 |
15.50 |
2.80 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
